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@article{DAN_1984_274_6_a16, author = {L. Sh. Grigoryan and G. S. Sahakyan}, title = {On gravitational vacuum}, journal = {Doklady Akademii Nauk}, pages = {1352--1357}, publisher = {mathdoc}, volume = {274}, number = {6}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_274_6_a16/} }
L. Sh. Grigoryan; G. S. Sahakyan. On gravitational vacuum. Doklady Akademii Nauk, Tome 274 (1984) no. 6, pp. 1352-1357. http://geodesic.mathdoc.fr/item/DAN_1984_274_6_a16/